var Handler = {

	clearedOnce : false,
	
	clear : function ( field ) {
	
		if (this.clearedOnce == false) {
		
			field.value = '';
			
			this.clearedOnce = true;
		
		}
	
	}

}

var HandlerUN = {

	clearedOnceUN : false,
	
	clear : function ( field ) {
	
		if (this.clearedOnceUN == false) {
		
			field.value = '';
			
			this.clearedOnceUN = true;
		
		}
	
	}

}

var HandlerPW = {

	clearedOncePW : false,
	
	clear : function ( field ) {
	
		if (this.clearedOncePW == false) {
		
			field.value = '';
			
			this.clearedOncePW = true;
		
		}
	
	}

}

var HandlerSearch = {

	clearedOnceSearch : false,
	
	clear : function ( field ) {
	
		if (this.clearedOnceSearch == false) {
		
			field.value = '';
			
			this.clearedOnceSearch = true;
		
		}
	
	}

}